Research Article Search Results
Blue Opal from Chile
An ocean blue variety of opal from Chile was introduced at the 22nd Street show in Tucson.
Morganite from Blue Star Gems
An extraordinary 236.27 ct morganite from Madagascar stands out at the GJX show.
New High-Quality Rainbow Moonstone from Madagascar
A new type of transparent moonstone seen in Tucson displays a distinct orange flash effect.
Iridescent Imitation Pearl
A brown oval specimen submitted to the Bangkok laboratory resembles a pen pearl at first glance.
Intarsia Jewelry Box by Nicolai Medvedev and Susan Helmich
Opening day at the AGTA GemFair included the unveiling of the “Treasure Chest II with Blue Boy” intarsia jewelry box.
Historical Relics Repurposed into Jewelry
Several jewelry designs incorporated historical artifacts at the Tucson gem shows.
Guatemalan Jadeite Jade: Rough and Finished
A wide range of Guatemalan jadeite jade in blue, green, and lavender hues was offered at the 22nd Street show in Tucson.
Large CVD-Grown Diamond Resubmitted after HPHT Treatment
A record holder for largest CVD-grown diamond is examined for a second time in the Carlsbad laboratory after HPHT treatment.
Pink and Red Epidote in Quartz
“Firework” sprays of hot pink to red epidote crystals are discovered in two rock crystal quartz cabochons.
Electroformed Gold Bracelet
Examination of gold bracelet bearing a 14K hallmark reveals a wax or resin material under gold plating.
Gemstones and Art
A visit to the Tucson Fine Mineral Gallery uncovers impressive gemstone-related artwork.
